#6C1819

Closest named color: Reddy Brown (#6E1005). oklch(35.4% 0.118 25), rgb(108, 24, 25).

Aa

White text reads best on this color (11.78:1).

About this color

#6C1819 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.118 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.018 away. White text reads best on it, at 11.78:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.118)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.78:1
White text11.78:1

Values

HEX#6C1819
RGBrgb(108, 24, 25)
HSLhsl(359, 64%, 26%)
OKLCHoklch(35.4% 0.118 25)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #6C1819 11.78:1 AAA Lc -99.7 Preferred for body text
Black text on #6C1819 1.78:1 Fails Lc 8.0 Not readable
#6C1819 text on white 11.78:1 AAA Lc 95.9 Preferred for body text
#6C1819 text on black 1.78:1 Fails Lc 0.0 Not readable

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.

  1. Step 50

    50

    #FDF3F1

    oklch(97.1% 0.011 31.1)

  2. Step 100

    100

    #FBE4E1

    oklch(93.7% 0.026 26.5)

  3. Step 200

    200

    #F8CDC9

    oklch(88.4% 0.049 24.3)

  4. Step 300

    300

    #F5ABA4

    oklch(81% 0.088 25.2)

  5. Step 400

    400

    #EB7A73

    oklch(70.6% 0.141 24.9)

  6. Step 500

    500

    #E2524E

    oklch(63.2% 0.18 25.3)

  7. Step 600

    600

    #CD2D32

    oklch(55.6% 0.196 25)

  8. Step 700

    700

    #B11C25

    oklch(49.1% 0.182 24.9)

  9. Step 800

    800

    #901C20

    oklch(42.8% 0.151 24.9)

  10. Step 900

    900 (this color)

    #6C1819

    oklch(35.4% 0.118 25)

  11. Step 950

    950

    #441413

    oklch(27% 0.075 24.6)

Export this scale for Tailwind in the Tailwind colors tool

#6C1819 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#312C180.127
Deuteranopia (no green cones)#463E160.115
Tritanopia (no blue cones)#7700190.030
Achromatopsia (no color)#3838380.118

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #6C1819

    #6C1819

    oklch(35.4% 0.118 25)

  • #00444A

    #00444A

    oklch(35.3% 0.06 204.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #6C1819

    #6C1819

    oklch(35.4% 0.118 25)

  • #67183E

    #67183E

    oklch(35.4% 0.117 355.6)

  • #5D2C00

    #5D2C00

    oklch(35.3% 0.088 54.6)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #6C1819

    #6C1819

    oklch(35.4% 0.118 25)

  • #004739

    #004739

    oklch(35.5% 0.068 173.9)

  • #00415D

    #00415D

    oklch(35.4% 0.075 235)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #6C1819

    #6C1819

    oklch(35.4% 0.118 25)

  • #00490E

    #00490E

    oklch(35.2% 0.111 145)

  • #1C3678

    #1C3678

    oklch(35.4% 0.117 264.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #6C1819

    #6C1819

    oklch(35.4% 0.118 25)

  • #3A4000

    #3A4000

    oklch(35.4% 0.081 115.6)

  • #00444A

    #00444A

    oklch(35.3% 0.06 204.8)

  • #422A71

    #422A71

    oklch(35.4% 0.117 295.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #6C1819, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #6C1819 in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.